BRPI0707419A2 - método e aparelhagem para seleção adaptativa de estrutura do grupo de imagens (gop) - Google Patents

método e aparelhagem para seleção adaptativa de estrutura do grupo de imagens (gop) Download PDF

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Publication number
BRPI0707419A2
BRPI0707419A2 BRPI0707419-0A BRPI0707419A BRPI0707419A2 BR PI0707419 A2 BRPI0707419 A2 BR PI0707419A2 BR PI0707419 A BRPI0707419 A BR PI0707419A BR PI0707419 A2 BRPI0707419 A2 BR PI0707419A2
Authority
BR
Brazil
Prior art keywords
image
selection
group
images
video sequence
Prior art date
Application number
BRPI0707419-0A
Other languages
English (en)
Portuguese (pt)
Inventor
Peng Yin
Jill Macdonald Boyce
Alexandros Tourapis
Original Assignee
Thomson Licensing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0707419A2 publication Critical patent/BRPI0707419A2/pt

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/87—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving scene cut or scene change detection in combination with video compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/142—Detection of scene cut or scene change
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/177—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a group of pictures [GOP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0707419-0A 2006-02-06 2007-01-30 método e aparelhagem para seleção adaptativa de estrutura do grupo de imagens (gop) BRPI0707419A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US76555206P 2006-02-06 2006-02-06
US60/765,552 2006-02-06
PCT/US2007/002387 WO2007092193A2 (en) 2006-02-06 2007-01-30 Method and apparatus for adaptive group of pictures (gop) structure selection

Publications (1)

Publication Number Publication Date
BRPI0707419A2 true BRPI0707419A2 (pt) 2011-05-03

Family

ID=38283710

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0707419-0A BRPI0707419A2 (pt) 2006-02-06 2007-01-30 método e aparelhagem para seleção adaptativa de estrutura do grupo de imagens (gop)

Country Status (6)

Country Link
US (1) US9602840B2 (enExample)
EP (1) EP1982528A2 (enExample)
JP (1) JP5415084B2 (enExample)
CN (1) CN101379828B (enExample)
BR (1) BRPI0707419A2 (enExample)
WO (1) WO2007092193A2 (enExample)

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JP5579730B2 (ja) * 2008-11-12 2014-08-27 トムソン ライセンシング 明るさ変化コーディング
US9143788B2 (en) 2008-11-13 2015-09-22 Thomson Licensing Multiple thread video encoding using HRD information sharing and bit allocation waiting
US9426477B2 (en) * 2010-02-25 2016-08-23 International Business Machines Corporation Method and apparatus for encoding surveillance video
FR2966679A1 (fr) * 2010-10-25 2012-04-27 France Telecom Procedes et dispositifs de codage et de decodage d'au moins une image a partir d'un epitome, signal et programme d'ordinateur correspondants
GB2488816A (en) * 2011-03-09 2012-09-12 Canon Kk Mapping motion vectors from a plurality of reference frames to a single reference frame
CN102223535A (zh) * 2011-06-07 2011-10-19 东莞电子科技大学电子信息工程研究院 一种基于svc的自适应图像组结构选择方法
US20130094774A1 (en) * 2011-10-13 2013-04-18 Sharp Laboratories Of America, Inc. Tracking a reference picture based on a designated picture on an electronic device
US8768079B2 (en) 2011-10-13 2014-07-01 Sharp Laboratories Of America, Inc. Tracking a reference picture on an electronic device
US9866851B2 (en) * 2014-06-20 2018-01-09 Qualcomm Incorporated Full picture order count reset for multi-layer codecs
CN104506870B (zh) * 2014-11-28 2018-02-09 北京奇艺世纪科技有限公司 一种适用于多码流的视频编码处理方法和装置
US10542283B2 (en) * 2016-02-24 2020-01-21 Wipro Limited Distributed video encoding/decoding apparatus and method to achieve improved rate distortion performance
KR102731891B1 (ko) * 2016-12-28 2024-11-19 삼성전자주식회사 비디오 인코딩 방법, 이를 수행하는 비디오 인코더 및 이를 포함하는 전자 시스템
EP4383705A1 (en) * 2022-12-06 2024-06-12 Axis AB A method and device for pruning a video sequence
CN116095326B (zh) * 2023-01-28 2025-12-09 北京达佳互联信息技术有限公司 视频编码方法、装置、电子设备及存储介质

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JP3221785B2 (ja) * 1993-10-07 2001-10-22 株式会社日立製作所 撮像装置
US5592226A (en) * 1994-01-26 1997-01-07 Btg Usa Inc. Method and apparatus for video data compression using temporally adaptive motion interpolation
JP3954656B2 (ja) * 1994-09-29 2007-08-08 ソニー株式会社 画像符号化装置及び方法
JP3384910B2 (ja) * 1995-05-30 2003-03-10 株式会社日立製作所 撮像装置および画像再生装置
FR2764156B1 (fr) 1997-05-27 1999-11-05 Thomson Broadcast Systems Dispositif de pretraitement pour codage mpeg ii
US6195458B1 (en) * 1997-07-29 2001-02-27 Eastman Kodak Company Method for content-based temporal segmentation of video
JPH1175189A (ja) * 1997-08-27 1999-03-16 Mitsubishi Electric Corp 画像符号化方法
US6307886B1 (en) * 1998-01-20 2001-10-23 International Business Machines Corp. Dynamically determining group of picture size during encoding of video sequence
CN1241416C (zh) * 1999-02-09 2006-02-08 索尼公司 编码系统和方法、编码及解码、记录及再现的设备和方法
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JP2002010270A (ja) 2000-06-27 2002-01-11 Mitsubishi Electric Corp 画像符号化装置及び画像符号化方法
JP2002084544A (ja) * 2000-09-06 2002-03-22 Mitsubishi Electric Corp 動画像符号化装置および動画像符号化方法
JP3815665B2 (ja) 2000-12-27 2006-08-30 Ｋｄｄｉ株式会社 可変ビットレート動画像符号化装置および記録媒体
US6959044B1 (en) * 2001-08-21 2005-10-25 Cisco Systems Canada Co. Dynamic GOP system and method for digital video encoding
JP3907996B2 (ja) * 2001-10-15 2007-04-18 日本電信電話株式会社 画像符号化装置、画像復号装置並びにその方法及び画像符号化プログラム、画像復号プログラム
JP3888533B2 (ja) 2002-05-20 2007-03-07 Ｋｄｄｉ株式会社 画像特徴に応じた画像符号化装置
US20040146108A1 (en) * 2003-01-23 2004-07-29 Shih-Chang Hsia MPEG-II video encoder chip design
KR100596706B1 (ko) * 2003-12-01 2006-07-04 삼성전자주식회사 스케일러블 비디오 코딩 및 디코딩 방법, 이를 위한 장치
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CA2547628C (en) 2003-12-01 2013-03-05 Samsung Electronics Co., Ltd. Method and apparatus for scalable video encoding and decoding

Also Published As

Publication number Publication date
US20090122860A1 (en) 2009-05-14
EP1982528A2 (en) 2008-10-22
CN101379828A (zh) 2009-03-04
WO2007092193A2 (en) 2007-08-16
US9602840B2 (en) 2017-03-21
CN101379828B (zh) 2011-07-06
JP2009526435A (ja) 2009-07-16
JP5415084B2 (ja) 2014-02-12
WO2007092193A3 (en) 2007-10-04

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. AS CLASSIFICACOES IPC ANTERIORES ERAM: H04N 7/26; H04N 7/50.

Ipc: H04N 19/87 (2014.01), H04N 19/114 (2014.01), H04N

Ipc: H04N 19/87 (2014.01), H04N 19/114 (2014.01), H04N

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B25G Requested change of headquarter approved

Owner name: THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: THOMSON LICENSING DTV (FR)

B11E Dismissal acc. art. 34 of ipl - requirements for examination incomplete
B25A Requested transfer of rights approved

Owner name: INTERDIGITAL MADISON PATENT HOLDINGS (FR)

B11T Dismissal of application maintained [chapter 11.20 patent gazette]